The formally feathered, flightless aquatic birds known as penguins dominate the frigid waters surrounding the subantarctic ...

Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species ...

The white-tailed deer is one of the most abundant deer in the United States. Native to all but a handful of states, it has ...

Visitors to Melbourne's eastern beaches over the weekend were surprised to see an influx of crimson jellyfish bobbing in the water. One expert says a "perfect storm" of factors has brought them to the ...

Saudi Arabia's largest nature reserve is preparing to reintroduce wild Asiatic Lions for the first time in more than 100 ...

Visiting a national park often involves scanning the horizon for charismatic animals. And most visitors arrive with a mental checklist of ones they hope to encounter. Bison blocking the road or elk ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Officials have captured a juvenile mountain lion that was spotted injured in the middle of a thoroughfare in Castaic.

In the Kenyan savanna, lions and livestock essentially live in shifts: Cattle graze during the day and are enclosed at night ...

Preserved by dry, cool air and darkness, the cheetah mummies are offering scientists DNA insights into a lost population and ...

The lions arrived at Turpentine Creek Wildlife Refuge in Arkansas on Jan. 15 ...